Home / 12,395.44-17,105.61-6,730.08

Finding the Fourth Proportional to 12,395.44, 17,105.61 and 6,730.08

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Solution

The fourth proportional to 12,395.44, 17,105.61 and 6,730.08 is: 9,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.44 : 17,105.61 = 6,730.08 : x
  2. Step 2: Convert to fraction form
    12,395.44/17,105.61 = 6,730.08/x
  3. Step 3: Cross multiply
    12,395.44x = 17,105.61 × 6,730.08
  4. Step 4: Simplify right side
    12,395.44x = 115,122,038.22
  5. Step 5: Solve for x
    x = 115,122,038.22/12,395.44
  6. Step 6: Final answer
    x = 9,287.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.